Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672195 | Process for the separation of mixtures of oxygen and of nitrogen employing an adsorbent with improved porosity | Christian Barbe | 1997-09-30 |
| 5658370 | Process for the separation of nitrogen from a gaseous mixture by adsorption | Xavier Vigor, Pierre Petit, Bernard Sardan | 1997-08-19 |